diff --git a/src/emsesp.cpp b/src/emsesp.cpp
index 12a515590..31718654a 100644
--- a/src/emsesp.cpp
+++ b/src/emsesp.cpp
@@ -1691,7 +1691,7 @@ void EMSESP::loop() {
 
     static bool show_prompt = true;
 
-    // user has to ctrl-c to create a serial console stream, exit command will close it
+    // user has to CTRL-S to create a serial console stream, exit command will close it
     // this saves around 2kb of heap memory
     if (shell_) {
         if (!shell_->running()) {
@@ -1710,7 +1710,7 @@ void EMSESP::loop() {
             show_prompt = true;
         }
         // https://daleswanson.org/ascii.htm#:~:text=0
-        if (c == '\x03') {
+        if (c == '\x13') {
             start_serial_console();
         }
     }
@@ -1731,7 +1731,7 @@ void EMSESP::start_serial_console() {
 void EMSESP::shell_prompt() {
 #ifndef EMSESP_STANDALONE
     serial_console_.println();
-    serial_console_.printf("EMS-ESP %s: press CTRL-C to activate this serial console", EMSESP_APP_VERSION);
+    serial_console_.printf("EMS-ESP %s: press CTRL-S to activate this serial console", EMSESP_APP_VERSION);
     serial_console_.println();
 #endif
 }